LUNATIC MATHEMATICIAN.
DOCTOR'S DISCOVERY IN AN ASYLUM. Paris, May 2. A doctor at an. asylum at Nantes has discovered among his patients a "lightning calculator," who, although he can' scarcely read and cannot write, solves mental arithmetic problems involving large numbers. Asked "How many seconds are there in 39 years 3 months and 12 hours?" he gave the correct answer in 32 seconds. Explaining, how lio calculated the number of 6CConds in 30 years, he said: "I know by heart that there are 31,536,000 seconds in a year. I multiply 30,000,000 by 30. That gives me 900,000,000. Then I multiply 1,500,000 by 30 and get 45,000,000 ; 30,000 by 30, which gives 900,000; and 6000 by 30, giving 180,000. I add all these products and get 9-16,080,000 seconds in 30 years." This answer was given in Msec.—^"Daily Mail." I
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Dominion, Volume 6, Issue 1788, 28 June 1913, Page 14
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138LUNATIC MATHEMATICIAN. Dominion, Volume 6, Issue 1788, 28 June 1913, Page 14
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